workflow, production process, knowledge portals, algebraic model


Background. In the environment of engineering knowledge portals great amount of partial workflows is concentrated. Such workflows are composed into general workflow aiming to perform real complex production task. Characteristics of partial workflows and general workflow structure are not studied enough, that affects the impossibility of general production workflow
dynamic composition.
Objective. Creating an approach to the general production workflow dynamic composition based on the partial workflows meta-descriptions comparison on engineering knowledge portals.
Methods. Analysis of the partial parameters workflow and characteristics and the structure of general production workflow of knowledge portals made it possible to specify rules for partial workflows inclusion into general production workflow (based on workflows meta-descriptions comparison), to design algebraic model of general production workflow and develop the production
workflow tree forming method.
Results. Experimental investigation was made on the application of suggested approach to general production workflow dynamic composition for real complex production workflow of engineering knowledge portal “Calculation of the strength for the power components of magnetic systems”.
Conclusions. The approach to the general production workflow dynamic composition on engineering knowledge portals is suggested, that allows, based on comparison of the partial workflows meta-descriptions values, choosing from their set workflows that are required to perform real complex workflow.
Keywords: workflow; production process; knowledge portals; algebraic model.


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